Depending on the condition of your original foam Anti Hot Spot Tape, you may be able to use the Anti Hot Spot SEALING Tape to reseal the old foam tape, to stop it giving off chemical vapour which is harmful to to the polythene. (Although please note it is not a replacement were the foam tape is badly deteriorated or 'slipped'...in areas where this is the case you need to replace the Foam Anti Hot Spot Tape with new).

The Anti Hot Spot Repair Tape has an acrylic glue base and is made from polypropylene. It is 50mm wide so that it will easily cover existing 1 inch, 20mm and 30mm wide Anti Hot Spot Tape and will stick to both the existing polyester clear cover or the exposed PE foam tape.